Ext.Net 4.6 ComboBox Item List Title Template

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  1. #1

    Ext.Net 4.6 ComboBox Item List Title Template

    Hello,
    I had previously provided the Multicolumn feature for the ComboBox items when using Ext.Net 1.2. I have provided the title of the items by using the "Title" option.

    I'm currently developing with Ext.Net 4.6 (MVC). I'm building my ComboBox on runtime. I use ItemTpl in the ListConfig for items.

    My problem is that I can't find a "title" feature in which I can get multiple column support fixed on the combobox list. I need your urgent assistance in this matter.

    public Ext.Net.BaseControl PrepareComponent(ReportField reportField)
    {
    	Connection cnn = new Connection();
    
    	var cmd3 = cnn.CreateCommand("SELECT BOUND_COLUMN_WIDTH,DESCRIPTION_COLUMN_WIDTH,EXTRA_COLUMNS_WIDTHS FROM TBLLIBCOMBO(NOLOCK) WHERE COMBO_NAME = @COMBO_NAME");
    	cnn.CreateParameter(cmd3, "@COMBO_NAME", DbType.AnsiString, reportField.COMBO_NAME);
    	var ww = cnn.Select(cmd3).Tables[0];
    
    	var boundWidth = DbUtil.GetInt(ww.Rows[0]["BOUND_COLUMN_WIDTH"]);
    	var descWidth = DbUtil.GetInt(ww.Rows[0]["DESCRIPTION_COLUMN_WIDTH"]);
    	var extraWidth = DbUtil.GetString(ww.Rows[0]["EXTRA_COLUMNS_WIDTHS"]);
    
    	var ExtraColumn = reportField.EXTRA_COLUMNS.Split(',');
    	var ExtraColumnWidth = extraWidth.Split(',');
    
    	Dictionary<string, string> ComboFields = new Dictionary<string, string>();
    
    	ComboFields.Add(reportField.BOUND_COLUMN, boundWidth.ToString());
    	if (reportField.BOUND_COLUMN != reportField.DESCRIPTION_COLUMN)
    	{
    		ComboFields.Add(reportField.DESCRIPTION_COLUMN, descWidth.ToString());
    	}
    
    	for (int i = 0; i < ExtraColumn.Length; i++)
    	{
    		if (reportField.BOUND_COLUMN != ExtraColumn[i] && reportField.DESCRIPTION_COLUMN != ExtraColumn[i] && !string.IsNullOrEmpty(ExtraColumn[i]))
    		{
    			string Width = "0";
    			if (ExtraColumnWidth.Length - 1 >= i)
    				Width = ExtraColumnWidth[i];
    			ComboFields.Add(ExtraColumn[i], Width);
    		}
    	}
    
    	var combo = new Ext.Net.ComboBox
    	{
    		ID = reportField.PARAMETER_NAME,
    		FieldLabel = Dictionary.Translate(reportField.CAPTION),
    		LabelSeparator = " ",
    		LabelWidth = 100,
    		Hidden = reportField.IS_HIDDEN,
    		Disabled = reportField.IS_DISABLED,
    		AnchorHorizontal = "60%",
    		QueryMode = Ext.Net.DataLoadMode.Remote,
    		QueryCaching = false,
    		ForceSelection = true,
    		FireSelectOnLoad = true,
    		TriggerAction = Ext.Net.TriggerAction.All,
    		PageSize = 10,
    		TypeAhead = true,
    		ListConfig = new BoundList()
    		{
    			LoadingText = "Aranıyor...",
    			ItemTpl = new Ext.Net.XTemplate()
    			{
    				Html = DynamicTemplateBuild(ComboFields)
    			}
    		}
    
    	};
    }
    internal static string DynamicTemplateBuild(Dictionary<string, string> Items)
    {
    	StringBuilder Html = new StringBuilder();
    	if (Items.Count > 0)
    	{
    		Html.Append("<tpl for='.'>");
    		Html.Append("<div class='list-item' style='height:35px!important;height:21px;width:100%;'>");
    	}
    	foreach (var item in Items)
    	{
    		string Width = item.Value;
    		string Title = item.Key;
    
    		Html.Append(string.Format(@"
    			<div style='height:35px;float:left;width:{0};overflow:hidden;white-space:nowrap;' title='{{{1}}}'>{{{1}}}</div>",
    			string.IsNullOrEmpty(Width) || Width == "0" ? (100 / Items.Count).ToString() + "%" : Width,
    			Title
    		));
    	}
    
    	if (Items.Count > 0)
    	{
    		Html.Append("</div>");
    		Html.Append("</tpl>");
    
    	}
    
    
    	return Html.ToString();
    }
    Attached Thumbnails Click image for larger version. 

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